Home / 11,115.02-16,670.35-3,322.10

Finding the Fourth Proportional to 11,115.02, 16,670.35 and 3,322.10

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Solution

The fourth proportional to 11,115.02, 16,670.35 and 3,322.10 is: 4,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.02 : 16,670.35 = 3,322.10 : x
  2. Step 2: Convert to fraction form
    11,115.02/16,670.35 = 3,322.10/x
  3. Step 3: Cross multiply
    11,115.02x = 16,670.35 × 3,322.10
  4. Step 4: Simplify right side
    11,115.02x = 55,380,569.74
  5. Step 5: Solve for x
    x = 55,380,569.74/11,115.02
  6. Step 6: Final answer
    x = 4,982.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.